animals

Explores the different plants, animals, and climates that make tundras unique.

Discusses the plants, animals, and characteristics of the grassland biome.

A bass-playing bear, a drumming crocodile, and a banjo-picking weasel form a traveling band that entertains the forest animals from spring through fall. When winter arrives, the forest animals go off to sleep and there's no one left for the trio to play for. Eventually, they recognize that they, too, deserve a rest.

Did you know that the Atlantic Ocean is home to the world's largest underwater mountain range? It is called the Mid-Atlantic Ridge. Find out more in Atlantic Ocean.

Learn about various animal adaptations, their purposes, and the many biomes that make these adaptations necessary for animal survival.

Explores the concept of food, and why living things - i.e., animals, humans and plants need it.

A young frog is known as a tadpole. As tadpoles get older, they grow legs and lungs. Learn more about this animal's life cycle in Frogs.

The use of grooved rollers to transport goods may have led to the invention of the wheel in ancient times. Humans have used boats for water transportation for at least 50,000 years. Examine significant developments in land and water vehicles in Land and Water Transportation, one of the titles in the Technology and Innovation series.

An adaptation for flight helps members of a species adapt to changing environments.

Explore how symbiosis has helped animals adapt to survive a variety of conditions and climates.